Bind uwsgi to 0.0.0.0 when listen_http is enabled.
Bind uwsgi to 0.0.0.0 when listen_http is enabled.

A regression appeared in the uwsgi test when uwsgi set to listen to only
<%= node.ipaddress %> as it disabled listens on localhost.

bitmonk/chef-graphite,mbabic/graphite,diegobill/graphite,mbabic/graphite,bitmonk/chef-graphite,diegobill/graphite,tas50/graphite,tas50/graphite,hw-cookbooks/graphite,diegobill/graphite,mbabic/graphite,bitmonk/chef-graphite,hw-cookbooks/graphite,hw-cookbooks/graphite,tas50/graphite